pstate Intel Core i5-4670 testing with a Gigabyte Z87M-D3H and Gigabyte NVIDIA GeForce GTX 750 Ti 2041MB on Ubuntu 16.04 via the Phoronix Test Suite. pstate-enable: Processor: Intel Core i5-3570K @ 4.40GHz (4 Cores), Motherboard: ASUS P8Z77-M PRO, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 120GB Corsair Force 3, Graphics: MSI NVIDIA GeForce GTX 770 2048MB (1058/3605MHz), Audio: Realtek ALC892, Network: Realtek RTL8111/8168/8411 OS: Arch Linux, Kernel: 4.5.5-1-ck (x86_64), Desktop: GNOME Shell 3.20.2, Display Driver: NVIDIA 364.19, Compiler: GCC 6.1.1 20160501 + Clang 3.8.0, File-System: ext4, Screen Resolution: 1920x1080 pstate_disable: Processor: Intel Core i5-3570K @ 3.40GHz (4 Cores), Motherboard: ASUS P8Z77-M PRO, Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 120GB Corsair Force 3, Graphics: MSI NVIDIA GeForce GTX 770 2048MB (1058/3605MHz), Audio: Realtek ALC892, Network: Realtek RTL8111/8168/8411 OS: Arch Linux, Kernel: 4.5.5-1-ck (x86_64), Desktop: GNOME Shell 3.20.2, Display Driver: NVIDIA 364.19, Compiler: GCC 6.1.1 20160501 + Clang 3.8.0, File-System: ext4, Screen Resolution: 1920x1080 test-cpu: Processor: Intel Core i5-4670 @ 3.50GHz (4 Cores), Motherboard: Gigabyte Z87M-D3H, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 1000GB Hitachi HDS72101 + 256GB Samsung SSD 840, Graphics: Gigabyte NVIDIA GeForce GTX 750 Ti 2041MB (1019/2700MHz), Audio: Realtek ALC892, Network: Realtek RTL8111/8168/8411 + Intel Centrino Advanced-N 6205 OS: Ubuntu 16.04, Kernel: 4.4.0-24-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: NVIDIA 367.18, OpenGL: 4.5.0, Compiler: GCC 5.3.1 20160413, File-System: ext4, Screen Resolution: 1680x1050 Xonotic 0.8 Resolution: 1920 x 1080 - Effects Quality: Low Frames Per Second > Higher Is Better pstate-enable .. 386.82 |====================================================== pstate_disable . 388.22 |====================================================== test-cpu ....... 384.91 |======================================================